Tz50 JTAG Mode

Figure 1. JTAG Timing Waveform
Table 1. JTAG Mode Timing
Symbol Parameter Min Typ Max Units
fTCK TCK frequency. 10 MHz
TCK frequency (1.8 V). 3 MHz
tTDISU TDI setup time.1 15 ns
tTDIH TDI hold time.1 2.5 ns
tTMSSU TMS setup time.1 15 ns
tTMSH TMS hold time.1 2.5 ns
tTCKTDO TCK falling edge to TDO output.1 30 ns
tDMIN Minimum time between deassertion of CRESET_N to the start of JTAG configuration. 32 μs
Important: The SPI bus must be inactive during JTAG configuration.
The EXT_CONFIG_CLK pin must be inactive during JTAG configuration.
1 Applicable for all voltage ranges.